Optical device for sale, and you can turn it into a bicycle. The strongest device in terms of burning calories and fat, based on experience. ✅ Supports up to 150 kg weight. ✅ Strong quality. ✅ Ideal for home workouts. It has a calculator for time, calories, increasing effort, and decreasing it. The sale is easy, God willing, and only serious buyers should inquire. May God bless our Prophet Muhammad and grant him peace.